MESON Chess Problem Database
Problem Display
PID: 166401 (7r/3Pp2p/rP2Q2K/2kNP1N1/1pPpB3/1P6/3n4/2b1Bb2 w - - 0 1)
Mariani, Stefano
Ragonesi, Marcello
10. WCCT, 2016-2017
#2
11 + 10
| 4901 | Best Problems | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rxb6
- 2.Qxb6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Sb1
- 2.Bxb4#
- 1...Sf3
- 2.Bxb4#
- 1...Sxe4
- 2.Bxb4#
- 1...d3
- 2.Bf2#
- 1...Rxb6
- Tries
- 1.Sc3?
- threat
- 2.Qc6#
- 1...Rxb6
- 2.Sa4#
- 1...Sxe4
- 2.Sxe4#
- 1...dxc3
- 2.Bf2#
- 1...d3
- 2.Bf2#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...bxc3!
- threat
- 1.Sf4?
- threat
- 2.Qc6#
- 1...Sxe4
- 2.Sxe4#
- 1...d3
- 2.Bf2#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rxb6!
- threat
- 1.Sc7?
- threat
- 2.Sxa6#
- 2.Qc6#
- 1...Bxc4
- 2.Qc6#
- 1...Sxc4
- 2.Qc6#
- 1...Sxe4
- 2.Sxa6#
- 1...d3
- 2.Bf2#
- 1...Ra1
- 2.Qc6#
- 1...Ra2
- 2.Qc6#
- 1...Ra3
- 2.Qc6#
- 1...Ra4
- 2.Qc6#
- 1...Ra5
- 2.Qc6#
- 1...Ra7
- 2.Qc6#
- 1...Raa8
- 2.Qc6#
- 1...Rha8
- 2.Qc6#
- 1...Rxb6!
- threat
- 1.Sxe7?
- threat
- 2.Qc6#
- 2.Qd6#
- 1...Bxc4
- 2.Qc6#
- 1...Sxb3
- 2.Qc6#
- 1...Sxc4
- 2.Qc6#
- 1...Sxe4
- 2.Qc6#
- 1...d3
- 2.Bf2#
- 2.Qd6#
- 1...Rc8
- 2.Qd6#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rxb6!
- threat
- 1.d8S?
- threat
- 2.Sb7#
- 2.Qc8#
- 2.Qc6#
- 2.Qxe7#
- 1...Rxb6
- 2.Qxb6#
- 1...Bxc4
- 2.Qc6#
- 1...Sxb3
- 2.Qc8#
- 2.Qc6#
- 1...Sxc4
- 2.Qc6#
- 1...Sxe4
- 2.Sb7#
- 2.Bxb4#
- 2.Qc8#
- 2.Qc6#
- 1...d3
- 2.Bf2#
- 1...Ra7
- 2.Qc6#
- 1...Ra8
- 2.Sb7#
- 2.Qc6#
- 2.Qxe7#
- 1...Re8
- 2.Sb7#
- 2.Qc8#
- 2.Qc6#
- 1...Bh3
- 2.Sb7#
- 2.Qc6#
- 2.Qxe7#
- 1...Rxd8!
- threat
- 1.Sc3?
- Keys
- 1.Sf6!
- threat
- 2.Qc6#
- 1...Rxb6
- 2.Qd5#
- 1...Sxe4
- 2.Sxe4#
- 1...d3
- 2.Bf2#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(g);OGATE,P_PINQ(I),XP(H)::QAB1(I),XR(g)
- R(j);OGATE::PXR(j)=Q
- S(c);OGATE,P_PINS(G)::B(A),XP(d)
- S(c);OGATE,P_PINS(G),XB(D)::B(A),XP(d)
- P(e);OGATEB::B(A)
- Tries
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- R(g);N_GUARD,P_PINQ(I),XP(H)::S(E)
- S(c);P_PINS(G),XB(D)::S(E),XS(c)
- P(e);OGATEB,XS(E)::B(A)
- P(e);OGATEB::B(A)
- R(j);OGATE::PXR(j)=Q
- Refutation
- P(d);XS(E)
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- S(c);XB(D)::S(G),XS(c)
- P(e);OGATEB::B(A)
- R(j);OGATE::PXR(j)=Q
- Refutation
- R(g);P_PINQ(I),XP(H)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(b);XP(C)::QAR1(I)
- S(c);P_PINS(G),XP(C)::QAR1(I)
- S(c);P_PINS(G),XB(D)::S(E),XR(g)
- P(e);OGATEB::B(A)
- R(g);::QAR1(I)
- R(j);::QAR1(I)
- Refutation
- R(g);P_PINQ(I),XP(H)
- Try
- S(E);XP(h)
- Threat
- DUALS(2)
- Vars
- B(b);XP(C)::QAR1(I)
- S(c);P_PINS(G),XP(B)::QAR1(I)
- S(c);P_PINS(G),XP(C)::QAR1(I)
- S(c);P_PINS(G),XB(D)::QAR1(I)
- Refutation
- R(g);P_PINQ(I),XP(H)
- Try
- P(K);
- Threat
- DUALS(4)
- Vars
- R(g);OGATE,P_PINQ(I),XP(H)::QAB1(I),XR(g)
- B(b);XP(C)::QAR1(I)
- S(c);P_PINS(G),XP(C)::QAR1(I)
- P(e);OGATEB::B(A)
- R(g);::QAR1(I)
- Refutation
- R(j);XS(K)
- Try
- Actual
- S(E);
- Threat
- QAR1(I)
- Vars
- R(g);SBLOCK,XP(H)::QAR1(I)
- S(c);P_PINS(G),XB(D)::S(E),XS(c)
- P(e);OGATEB::B(A)
- R(j);OGATE::PXR(j)=Q
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